Tibial prosthesis



FIG. 1 is a front perspective view of a tibial prosthesis showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right-side elevation view thereof;

FIG. 6 is a left-side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a front perspective view thereof mounted on a tibia.

The broken line showing of the line circumscribing the prosthesis is unclaimed and the tibia in FIG. 9 is included for the purpose of illustrating environment and forms no part of the claimed design. 

CLAIM The ornamental design for a tibial prosthesis, as shown and described. 